[nongnu] elpa/dockerfile-mode 5e7096d451: Recognize Containerfile

[ELPA Syncer]

branch: elpa/dockerfile-mode
commit 5e7096d451380d4b9a53dff2894adbe3590aae9f
Author: Lassi Kortela <lassi@lassi.io>
Commit: Drew Csillag <drew@thecsillags.com>

    Recognize Containerfile
    
    "Containerfile" is a renaming of "Dockerfile" used by Buildah, Podman,
    etc. The same syntax is used.
    
    https://www.mankier.com/5/Containerfile
---
 dockerfile-mode.el | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dockerfile-mode.el b/dockerfile-mode.el
index 791ec095ac..372ed21699 100644
--- a/dockerfile-mode.el
+++ b/dockerfile-mode.el
@@ -268,8 +268,11 @@ returned, otherwise the base image name is used."
   (set (make-local-variable 'indent-line-function) 
#'dockerfile-indent-line-function))
 
 ;;;###autoload
-(add-to-list 'auto-mode-alist '("/Dockerfile\\(?:\\.[^/\\]*\\)?\\'" .
-                                dockerfile-mode))
+(add-to-list 'auto-mode-alist
+             (cons (concat "[/\\]"
+                           "\\(?:Containerfile\\|Dockerfile\\)"
+                           "\\(?:\\.[^/\\]*\\)?\\'")
+                   'dockerfile-mode))
 
 ;;;###autoload
 (add-to-list 'auto-mode-alist '("\\.dockerfile\\'" . dockerfile-mode))